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Table 1 Sociodemographic and clinical characteristics of participants (n = 3785)*

From: Volunteer participation differentially moderates the association between insomnia and poor subjective well-being in community-dwelling older adults: the Yilan study, Taiwan

  n (%)
Age (years)  
  < 75 1656 (43.8)
  ≥ 75 2129 (56.2)
Sex
 Female 2155 (56.9)
Body mass index (kg/m2)
  < 18.5 159 (4.2)
 18.5–23.9 1440 (38.1)
  > 23.9 2007 (53.0)
 Disabled 178 (4.7)
Education status
 Literate 3003 (79.3)
 Illiterate 782 (20.7)
Marital status
 Married 2465 (65.3)
 Single/ divorced/ separated 56 (1.5)
 Widowed 1252 (33.2)
Living status
 With others 3358 (88.8)
 Alone 425 (11.2)
 Frequency of exercise per week ≥ 3/ week 2193 (58.0)
Smoking status
 Non-smoker 2866 (75.7)
 Ex- smoker 568 (15.0)
 Current smoker 351 (9.3)
 Drinking status
Non-drinker 3094 (81.7)
 Ex- drinker 198 (5.2)
 Current drinker 493 (13.0)
Medical history
 Diabetes mellitus 888 (23.5)
 Hypertension 2152 (56.9)
 Heart disease 1197 (31.7)
 Hyperlipidemia 841 (22.3)
 Stroke 194 (5.1)
 Snore 43 (1.2)
Hospital Anxiety Depression Scale
 Depression ≥ 6 443 (11.7)
 Anxiety ≥ 3 1345 (35.5)
 Groningen Activity Restriction Scale ≥ 19 1159 (44.2)
 Taking hypnotics in the past one month 849 (22.5)
 Epworth Sleepiness Scale ≥ 11 602 (15.9)
 Athens Insomnia Scale ≥ 5 806 (21.3)
 Volunteer participation 428 (11.4)
  1. *Numbers of participants do not equal 3785 because of missing values in variables